US20150096117A1 - Shower rod mounting assembly - Google Patents
Shower rod mounting assembly Download PDFInfo
- Publication number
- US20150096117A1 US20150096117A1 US14/048,553 US201314048553A US2015096117A1 US 20150096117 A1 US20150096117 A1 US 20150096117A1 US 201314048553 A US201314048553 A US 201314048553A US 2015096117 A1 US2015096117 A1 US 2015096117A1
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- US
- United States
- Prior art keywords
- shower rod
- substrate
- mounting assembly
- shower
- rod mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/28—Showers or bathing douches
- A47K3/38—Curtain arrangements
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H1/00—Curtain suspension devices
- A47H1/02—Curtain rods
- A47H1/022—Curtain rods extensible
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H1/00—Curtain suspension devices
- A47H1/02—Curtain rods
- A47H2001/0215—Curtain rods being tubular
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49863—Assembling or joining with prestressing of part
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49947—Assembling or joining by applying separate fastener
- Y10T29/49966—Assembling or joining by applying separate fastener with supplemental joining
- Y10T29/4997—At least one part nonmetallic
Definitions
- Various embodiments relate to shower rod mounting assemblies.
- Conventional shower rod assemblies for supporting a shower curtain are mounted to a pair of support surfaces with fasteners.
- Mechanical fasteners damage the support surfaces during installation. Further damage may be caused during removal, particularly if an excessive load is inadvertently applied to the shower rod assembly.
- the mechanical fasteners provide limited flexibility. If inadvertently installed incorrectly, movement of the shower rod assembly to another location results in exposed holes formed in the support surface, which may include tiles that are difficult and costly to repair.
- Adhesive mount shower rod assemblies use traditional pressure sensitive adhesives which typically contain both a foam layer and an adhesive layer in order to conform to the surface of interest. These assemblies use substantially rigid flanges or mounting plates such as zinc die-cast, stamped steel or injection molded plastic. Once installed these systems are difficult to remove. Additionally, the adhesive leaves behind a significant amount of adhesive residue and foam, requiring harsh chemicals to clean the surface.
- Length adjustable or telescopic shower rods are known in the industry. Some are mounted into mounting assemblies with fasteners described above. Some are provided with elastomeric fittings at each end for contacting the support surfaces. The adjustable shower rods are expanded to engage the support surfaces such that the shower rod is in compression to employ friction for maintaining the installation of the shower rod. The compression of the shower rod may be provided by a threaded engagement between concentric rods, a spring or the like. Such adjustable shower rods, may become inadvertently uninstalled due to exposure to steam that may reduce friction at the mounting surface, or fatigue of the spring over time.
- a shower rod mounting assembly is provided with a flexible substrate having a first side and a spaced apart second side.
- a reversible dry adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface and leave the underlying surface unmarked after removal.
- the reversible adhesive retains an adhesion property for a plurality of adhesion cycles.
- a receptacle is mounted to the second side and is adapted to receive an end of a shower rod.
- a shower rod mounting assembly is provided with a substrate having a first side and a spaced apart second side.
- An adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface.
- a boss extends from the substrate with a track formed therein with an opening to receive an end of a shower rod.
- a biasing member extends from the substrate adjacent to the opening to retain the end of the shower rod after installation.
- a method for installing a shower rod assembly provides a pair of flexible substrates, each with a receptacle.
- the pair of flexible substrates is adhered to opposing surfaces with a reversible dry adhesive that retains an adhesion property for a plurality of adhesion cycles.
- a shower rod is installed into the pair of receptacles.
- a shower rod assembly is provided with a length adjustable rod and a pair of shower rod mounting assemblies.
- Each shower rod mounting assembly is provided with a flexible substrate having a first side and a spaced apart second side.
- a reversible dry adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface and leave the underlying surface unmarked after removal.
- the reversible adhesive retains an adhesion property for a plurality of adhesion cycles.
- a receptacle is mounted to the second side and is adapted to receive an end of a shower rod.
- FIG. 2 is a side elevation view of the shower rod mounting assembly of FIG. 1 ;
- FIG. 3 is front elevation view of a mounting plate of the shower rod mounting assembly of FIG. 1 , according to an embodiment
- FIG. 4 is a side elevation view of a shower rod assembly according to an embodiment, illustrated installed into a pair of shower rod mounting assemblies according to FIG. 1 ;
- FIG. 5 is an enlarged perspective view of an end of the shower rod assembly of FIG. 4 ;
- FIG. 6 is an enlarged side view of a fitting of the shower rod assembly of FIG. 4 , according to an embodiment
- FIG. 7 is an enlarged section view of an end of the shower rod assembly of FIG. 4 ;
- FIG. 8 is a further enlarged section view of the end of the shower rod assembly of FIG. 4 ;
- FIG. 9 is a rear elevation view of a mounting plate, according to another embodiment.
- FIG. 10 is a side elevation view of a shower rod mounting assembly, according to another embodiment, including the mounting plate of FIG. 9 .
- a flexible adhesive may be used to attach a mounting plate to effectively conform to and adhere to the mounting surface. Such flexibility enables maximum adhesion by eliminating random air pockets which would be present if a more rigid adhesive material were to be used.
- a majority of the mounting plate system can be flexible so that the contact surface can be subjected to a peel away force in an occurrence of relocating the mounting plate location.
- the applied forces can be transferred to the adhesive layer so that the forces are in shear.
- Dry adhesives which are reversible and reusable, are part of many recent advancements being made in temporary adhesive technologies. These adhesives bond well to smooth non-porous surfaces and are very strong in shear yet have weak bonding in peel. These adhesives represent a synthetic bio-mimicry approach to replicate adhesion performance characteristics of Gecko setae. These dry adhesives can be embodied by an adhesive pad that can be peeled away from the mounting surface without any glue residue remaining on the surface. Additionally, the adhesive pad can then be repeatedly repositioned without a measurable loss in shear performance. Adapting products to these technologies presents technical challenges in design and engineering that ensures a proper aesthetic while keeping application of loads in a shear direction. Therefore, a suitable embodiment minimizes total forces in the peel direction.
- the shower rod mounting assembly 20 includes a flexible substrate or pad 22 having a wall side 24 and a spaced apart rod side 26 .
- a reversible dry adhesive layer 28 covers the wall side 24 of the pad 22 to attach the flexible pad 22 to a surface and leave the underlying surface unmarked after removal.
- the reversible adhesive retains an adhesion property for a plurality of adhesion cycles.
- the mounting assembly 20 also includes a mounting plate 30 with a receptacle 32 to receive an end of a shower rod.
- the flexible adhesive layer 28 makes contact with the mounting surface.
- the thin, flexible pad 22 bonds the adhesive layer 28 to a base 34 of the mounting plate 30 .
- a release paper 36 is provided upon the adhesive layer 28 to protect the adhesive during storage and transportation; and for removal during installation to expose the adhesive layer 28 .
- the mounting plate 30 is formed from a suitable material for providing the receptacle 32 and supporting the shower rod, such as a structural plastic or a metallic material. Such materials may not be sufficiently deformable to peel the adhesive layer 28 so the base 34 of the mounting plate 30 and the adhesive layer 28 are separated by the flexible pad 22 .
- the mounting plate 30 may be formed from a clear or translucent material, such as (PC) Polycarbonate.
- An ultraviolet (UV) curable adhesive may be employed to speed assembly in manufacturing due to a reduced cure time of such adhesives.
- PC has a high level of transparency that allows UV curable adhesives to cure directly through the mounting plate 30 .
- any suitable adhesive may be selected to allow maximum conformance to the substrate mounting surface on the wall side 24 that has sufficient flexibility to peel the pad 22 for removal of the mounting plate from the surface with minimal effort and without residue.
- the pad 22 can therefore be made from any number of materials which can be bonded to both the adhesive layer 28 and the mounting plate 30 .
- the pad 22 can therefore be formed from a thin sheet of a thermoplastic polymer, such as polycarbonate (PC), polypropylene (PP), polyethylene terephthalate (PET), biaxially-oriented polyethylene terephthalate (BoPet), or the like.
- the pad 22 may be formed from vinyl, cloth or the like.
- the adhesive layer 28 can be made from a reversible adhesive material.
- the reversible adhesive material may be a block copolymer.
- the reversible adhesive material may have material properties that provide for a shear strength that is higher than a peel strength when in use.
- the dynamic shear strength may be one to five pounds per inch width
- the peel strength may be 0.01 to 0.05 pounds per inch width (or may be 20 to 500 times greater, etc.). This allows the mounting plate 30 to remain affixed to an underlying surface such as a vertical wall, while making the mounting plate 30 easy to remove by the user.
- the adhesive layer 28 may be a thermoplastic elastomer, such as a styrene thermoplastic elastomer.
- the adhesive layer 28 may include a thermoplastic elastomer (TPE), thermoplastic rubber (TPR), a styrene-butadiene styrene (SBS) block copolymer, or the like.
- the adhesive layer 28 includes the following compositions or composition ranges by weight: 100 parts styrene-ethylene-butadiene-styrene (SEBS) block co-polymer, 100-300 parts hydrogenated naphthenic oil, 100-300 parts white oil, 0-10 parts petroleum adhesion promoter resin, 1-5 parts polypropylene resin, 2-10 parts assistant agent.
- SEBS styrene-ethylene-butadiene-styrene
- the adhesive layer may be a G or D series product from Kraton Company, or a YH series product from Balin Huaxing Petrochemical Ltd. in Yueyang China.
- the adhesive layer may be from Ren-River Rubber Products as described in U.S.
- the reversible adhesive may also be an adhesive material as described in International Application No. PCT/US2011/057309 by Crosby et al. filed Oct. 21, 2011 and incorporated by reference in its entirety herein.
- Other suitable reversible adhesives are also contemplated for use with the mounting plate 30 .
- the receptacle 32 includes a boss 38 extending from the base 34 with a track 40 formed therein to receive the end of the shower rod.
- the boss 38 may be formed with a sidewall 42 extending from a portion of the base 34 thereby providing a primary slot 44 of the track 40 .
- a sector ring 46 is mounted to the sidewall 42 and is spaced apart from the base 34 so that a cavity 48 is provided within the pad 22 , the sidewall 42 and the sector ring 46 .
- a secondary slot 50 is provided in the sector ring 46 to the cavity 48 .
- the secondary slot 50 has a width less than a width of the primary slot 44 to provide a T-slot or dual width track 40 .
- the base 34 of the mounting plate 30 is formed as an annular ring according to an embodiment. A portion of the annular ring is angled away from the pad 22 to provide a beam 52 adjacent to the primary slot 44 . The extension of the beam 52 away from the pad 22 reduces contact area between the base 34 and the pad 22 adjacent to the track 40 .
- the mounting plate 30 may be formed from a material with a large range of elastic deformation so that the beam 52 provides a biasing member or spring for retention of the end of the shower rod, such as serving as a containment strap.
- the track 40 is formed to a blind depth to provide a support surface 54 ( FIGS. 7 and 8 ) for the shower rod.
- the mounting plate 30 may be installed in the orientation depicted such that the secondary slot 50 is oriented upright to utilize gravity for retention of the shower rod in the secondary slot 50 .
- the secondary slot 50 and the support surface 54 collectively provide a centroid 56 ( FIG. 3 ) in supporting the shower rod.
- a majority of a contact area 58 between the base 34 and the pad 22 is oriented below the centroid 56 so that a reaction force upon the reversible dry adhesive layer 28 caused by support of the shower rod is in shear. This approach ensures maximum flexibility and conformance of the assembly while distributing forces below the centroid 56 and effectively in shear or a downward direction.
- a shower rod assembly 60 is illustrated with a length adjustable, or telescopic, shower rod 62 mounted to a pair of shower rod mounting assemblies 20 .
- the shower rod 62 includes a minor tube 64 that extends within a major tube 66 .
- An interface bushing 68 is provided at a distal end of the major tube 66 to receive minor tube 64 ; transition varying diameters of the tubes 64 , 66 ; and reduce friction and the engagement.
- a pair of ornamental covers 70 , 72 are provided, each with an aperture 74 , 76 formed therethrough sized to receive the corresponding tube 64 , 66 .
- Each of the covers 70 , 72 is sized to cover one of the shower rod mounting assemblies 20 and one of the shower rod ends, which are each provided at a proximal end 78 , 80 of one of the tubes 64 , 66 .
- FIG. 5 illustrates an end fitting 82 attached to the proximal end 78 of the minor tube 64 .
- the end fitting 82 is also illustrated in FIG. 6 ; and can also be employed at the proximal end 80 of the major tube 66 .
- the end fitting 82 has a body 84 that can be held within the minor tube 64 by adhesive, with mechanical lock tabs, by internal press fit or by an external compression fit mechanism.
- the end fitting 82 includes a circumferential groove 86 which is designed to limit movement of the shower rod 62 parallel to a tube axis.
- a head 87 extends from a shank 88 with a reduced diameter.
- a chamfer 90 helps to align the fitting 82 and consequently, the shower rod 62 into the primary slot 44 in the mounting plate 30 .
- FIGS. 7 and 8 illustrate the cooperation of the shower rod 62 and one of the shower rod mounting assemblies 20 in greater detail.
- temporary adhesives are effective when forces are applied primarily in the shear direction.
- a first point of contact is provided at the chamfer 90 and the support surface 54 .
- This contact is at an angle ⁇ within a range of twenty to ninety degrees relative to a horizontal axis or an axis of the shower rod 62 .
- the angle ⁇ is thirty degrees.
- a weight of the shower rod 62 and an associated curtain assembly is represented by a Force A, which has a tendency to draw the shower rod 62 toward the mounting surface noted as Force B.
- Force A which has a tendency to draw the shower rod 62 toward the mounting surface noted as Force B.
- the beam 52 is slightly compressed to permit the head 87 to enter the primary slot 44 . Once fully installed the beam 52 returns over the end fitting 82 and prevents the end fitting from movement perpendicular to the center axis of the shower rod 62 . Therefore, the beam 52 retains the shower rod 62 assembled to the shower rod mounting assembly 20 .
- a substantially flexible shower rod mounting assembly 20 exerts applied forces in shear while being flexible enough to peel the pad 22 away when movement is required.
- ninety percent of the contact surface area 58 between the base 34 and the pad 22 is located below the centroid 56 or center axis of the shower rod 62 .
- more than fifty percent of this contact surface area 58 should be oriented below the centroid 56 in order to maintain the loading on the adhesive layer 28 in shear.
- a surface area of the pad 22 is greater than the contact surface area 58 .
- the contact surface area 58 is ten percent of the total area of the pad 22 .
- the contact surface area 58 is less than half of the total area of the pad 22 .
- the end fittings 82 and the mounting plate 30 contain geometry to transfer loading to the pad 22 and the wall surface by the tapered or angled surfaces of the chamfer 90 and the support surface 54 .
- Other geometries can achieve this function, such as an orb mating with an angled surface as one example.
- the proposed shower rod mounting assembly 20 provides a solution for installation of a shower curtain rod assembly 60 within a bath or shower enclosure area without drilling holes in the support surface. This solution eliminates drilling into non-porous surfaces which may result in costly repairs if performed or positioned incorrectly.
- FIG. 9 illustrates a mounting plate 92 according to another embodiment. Similar to the prior embodiment, the mounting plate 92 includes a receptacle 94 upon a base 96 , which provides a relatively flat base contact area 98 . A pair of projections 100 extends from the base contact area 98 for locating of the mounting plate 92 .
- FIG. 10 illustrates a shower rod mounting assembly 102 according to another embodiment.
- a flexible pad 104 is provided, which is similar to the pad 22 of the prior embodiment.
- the pad 104 includes a pair of apertures 106 that are sized to receive the projections 100 of the mounting plate 92 for locating the mounting plate 92 relative to the pad 104 .
- Other suitable fixtures may be used for relative positioning.
Abstract
Description
- Various embodiments relate to shower rod mounting assemblies.
- Conventional shower rod assemblies for supporting a shower curtain are mounted to a pair of support surfaces with fasteners. Mechanical fasteners damage the support surfaces during installation. Further damage may be caused during removal, particularly if an excessive load is inadvertently applied to the shower rod assembly. The mechanical fasteners provide limited flexibility. If inadvertently installed incorrectly, movement of the shower rod assembly to another location results in exposed holes formed in the support surface, which may include tiles that are difficult and costly to repair.
- Adhesive mount shower rod assemblies use traditional pressure sensitive adhesives which typically contain both a foam layer and an adhesive layer in order to conform to the surface of interest. These assemblies use substantially rigid flanges or mounting plates such as zinc die-cast, stamped steel or injection molded plastic. Once installed these systems are difficult to remove. Additionally, the adhesive leaves behind a significant amount of adhesive residue and foam, requiring harsh chemicals to clean the surface.
- Length adjustable or telescopic shower rods are known in the industry. Some are mounted into mounting assemblies with fasteners described above. Some are provided with elastomeric fittings at each end for contacting the support surfaces. The adjustable shower rods are expanded to engage the support surfaces such that the shower rod is in compression to employ friction for maintaining the installation of the shower rod. The compression of the shower rod may be provided by a threaded engagement between concentric rods, a spring or the like. Such adjustable shower rods, may become inadvertently uninstalled due to exposure to steam that may reduce friction at the mounting surface, or fatigue of the spring over time.
- According to at least one embodiment, a shower rod mounting assembly is provided with a flexible substrate having a first side and a spaced apart second side. A reversible dry adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface and leave the underlying surface unmarked after removal. The reversible adhesive retains an adhesion property for a plurality of adhesion cycles. A receptacle is mounted to the second side and is adapted to receive an end of a shower rod.
- According to at least another embodiment, a shower rod mounting assembly is provided with a substrate having a first side and a spaced apart second side. An adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface. A boss extends from the substrate with a track formed therein with an opening to receive an end of a shower rod. A biasing member extends from the substrate adjacent to the opening to retain the end of the shower rod after installation.
- According to at least another embodiment, a method for installing a shower rod assembly provides a pair of flexible substrates, each with a receptacle. The pair of flexible substrates is adhered to opposing surfaces with a reversible dry adhesive that retains an adhesion property for a plurality of adhesion cycles. A shower rod is installed into the pair of receptacles.
- According to at least another embodiment, a shower rod assembly is provided with a length adjustable rod and a pair of shower rod mounting assemblies. Each shower rod mounting assembly is provided with a flexible substrate having a first side and a spaced apart second side. A reversible dry adhesive layer at least partially covers the first side of the substrate to attach the flexible substrate to a surface and leave the underlying surface unmarked after removal. The reversible adhesive retains an adhesion property for a plurality of adhesion cycles. A receptacle is mounted to the second side and is adapted to receive an end of a shower rod.
-
FIG. 1 is a front perspective view of a shower rod mounting assembly according to an embodiment; -
FIG. 2 is a side elevation view of the shower rod mounting assembly ofFIG. 1 ; -
FIG. 3 is front elevation view of a mounting plate of the shower rod mounting assembly ofFIG. 1 , according to an embodiment; -
FIG. 4 is a side elevation view of a shower rod assembly according to an embodiment, illustrated installed into a pair of shower rod mounting assemblies according toFIG. 1 ; -
FIG. 5 is an enlarged perspective view of an end of the shower rod assembly ofFIG. 4 ; -
FIG. 6 is an enlarged side view of a fitting of the shower rod assembly ofFIG. 4 , according to an embodiment; -
FIG. 7 is an enlarged section view of an end of the shower rod assembly ofFIG. 4 ; -
FIG. 8 is a further enlarged section view of the end of the shower rod assembly ofFIG. 4 ; -
FIG. 9 is a rear elevation view of a mounting plate, according to another embodiment; and -
FIG. 10 is a side elevation view of a shower rod mounting assembly, according to another embodiment, including the mounting plate ofFIG. 9 . - As required, detailed embodiments of the present invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.
- Surfaces found in bath enclosures are typically flat, non-porous and smooth but imperfect on a microscopic level. These characteristics are common for various materials and the associated methods of manufacture, such as plate glass, fiberglass, plastic or tile. With that understanding, a flexible adhesive may be used to attach a mounting plate to effectively conform to and adhere to the mounting surface. Such flexibility enables maximum adhesion by eliminating random air pockets which would be present if a more rigid adhesive material were to be used. A majority of the mounting plate system can be flexible so that the contact surface can be subjected to a peel away force in an occurrence of relocating the mounting plate location. In addition, to prevent self-delamination in actual use, the applied forces can be transferred to the adhesive layer so that the forces are in shear.
- Dry adhesives, which are reversible and reusable, are part of many recent advancements being made in temporary adhesive technologies. These adhesives bond well to smooth non-porous surfaces and are very strong in shear yet have weak bonding in peel. These adhesives represent a synthetic bio-mimicry approach to replicate adhesion performance characteristics of Gecko setae. These dry adhesives can be embodied by an adhesive pad that can be peeled away from the mounting surface without any glue residue remaining on the surface. Additionally, the adhesive pad can then be repeatedly repositioned without a measurable loss in shear performance. Adapting products to these technologies presents technical challenges in design and engineering that ensures a proper aesthetic while keeping application of loads in a shear direction. Therefore, a suitable embodiment minimizes total forces in the peel direction.
- With reference to
FIGS. 1 and 2 , a showerrod mounting assembly 20 is illustrated. The showerrod mounting assembly 20 includes a flexible substrate orpad 22 having awall side 24 and a spaced apartrod side 26. A reversible dryadhesive layer 28 covers thewall side 24 of thepad 22 to attach theflexible pad 22 to a surface and leave the underlying surface unmarked after removal. The reversible adhesive retains an adhesion property for a plurality of adhesion cycles. - The mounting
assembly 20 also includes a mountingplate 30 with areceptacle 32 to receive an end of a shower rod. The flexibleadhesive layer 28 makes contact with the mounting surface. The thin,flexible pad 22 bonds theadhesive layer 28 to abase 34 of the mountingplate 30. Arelease paper 36 is provided upon theadhesive layer 28 to protect the adhesive during storage and transportation; and for removal during installation to expose theadhesive layer 28. The mountingplate 30 is formed from a suitable material for providing thereceptacle 32 and supporting the shower rod, such as a structural plastic or a metallic material. Such materials may not be sufficiently deformable to peel theadhesive layer 28 so thebase 34 of the mountingplate 30 and theadhesive layer 28 are separated by theflexible pad 22. Any suitable adhesive may be employed for securing thebase 34 of the mountingplate 30 to thepad 22. According to one embodiment, the mountingplate 30 may be formed from a clear or translucent material, such as (PC) Polycarbonate. An ultraviolet (UV) curable adhesive may be employed to speed assembly in manufacturing due to a reduced cure time of such adhesives. PC has a high level of transparency that allows UV curable adhesives to cure directly through the mountingplate 30. - Any suitable adhesive may be selected to allow maximum conformance to the substrate mounting surface on the
wall side 24 that has sufficient flexibility to peel thepad 22 for removal of the mounting plate from the surface with minimal effort and without residue. Thepad 22 can therefore be made from any number of materials which can be bonded to both theadhesive layer 28 and the mountingplate 30. Thepad 22 can therefore be formed from a thin sheet of a thermoplastic polymer, such as polycarbonate (PC), polypropylene (PP), polyethylene terephthalate (PET), biaxially-oriented polyethylene terephthalate (BoPet), or the like. Alternatively, thepad 22 may be formed from vinyl, cloth or the like. - The
adhesive layer 28 can be made from a reversible adhesive material. The reversible adhesive material may be a block copolymer. The reversible adhesive material may have material properties that provide for a shear strength that is higher than a peel strength when in use. For example, the dynamic shear strength may be one to five pounds per inch width, and the peel strength may be 0.01 to 0.05 pounds per inch width (or may be 20 to 500 times greater, etc.). This allows the mountingplate 30 to remain affixed to an underlying surface such as a vertical wall, while making the mountingplate 30 easy to remove by the user. - The
adhesive layer 28 may be a thermoplastic elastomer, such as a styrene thermoplastic elastomer. For example, theadhesive layer 28 may include a thermoplastic elastomer (TPE), thermoplastic rubber (TPR), a styrene-butadiene styrene (SBS) block copolymer, or the like. According to one embodiment, theadhesive layer 28 includes the following compositions or composition ranges by weight: 100 parts styrene-ethylene-butadiene-styrene (SEBS) block co-polymer, 100-300 parts hydrogenated naphthenic oil, 100-300 parts white oil, 0-10 parts petroleum adhesion promoter resin, 1-5 parts polypropylene resin, 2-10 parts assistant agent. In one embodiment, the adhesive layer may be a G or D series product from Kraton Company, or a YH series product from Balin Huaxing Petrochemical Ltd. in Yueyang China. In another embodiment, the adhesive layer may be from Ren-River Rubber Products as described in U.S. patent application Ser. No. 13/390,689 by Wang filed on Feb. 15, 2012 and incorporated by reference in its entirety herein. The reversible adhesive may also be an adhesive material as described in International Application No. PCT/US2011/057309 by Crosby et al. filed Oct. 21, 2011 and incorporated by reference in its entirety herein. Other suitable reversible adhesives are also contemplated for use with the mountingplate 30. - Referring to
FIGS. 1 to 3 , thereceptacle 32 includes aboss 38 extending from the base 34 with atrack 40 formed therein to receive the end of the shower rod. Theboss 38 may be formed with asidewall 42 extending from a portion of the base 34 thereby providing aprimary slot 44 of thetrack 40. Asector ring 46 is mounted to thesidewall 42 and is spaced apart from the base 34 so that acavity 48 is provided within thepad 22, thesidewall 42 and thesector ring 46. Asecondary slot 50 is provided in thesector ring 46 to thecavity 48. Thesecondary slot 50 has a width less than a width of theprimary slot 44 to provide a T-slot ordual width track 40. - The
base 34 of the mountingplate 30 is formed as an annular ring according to an embodiment. A portion of the annular ring is angled away from thepad 22 to provide abeam 52 adjacent to theprimary slot 44. The extension of thebeam 52 away from thepad 22 reduces contact area between the base 34 and thepad 22 adjacent to thetrack 40. The mountingplate 30 may be formed from a material with a large range of elastic deformation so that thebeam 52 provides a biasing member or spring for retention of the end of the shower rod, such as serving as a containment strap. - The
track 40 is formed to a blind depth to provide a support surface 54 (FIGS. 7 and 8 ) for the shower rod. The mountingplate 30 may be installed in the orientation depicted such that thesecondary slot 50 is oriented upright to utilize gravity for retention of the shower rod in thesecondary slot 50. Thesecondary slot 50 and thesupport surface 54 collectively provide a centroid 56 (FIG. 3 ) in supporting the shower rod. A majority of acontact area 58 between the base 34 and thepad 22 is oriented below thecentroid 56 so that a reaction force upon the reversible dryadhesive layer 28 caused by support of the shower rod is in shear. This approach ensures maximum flexibility and conformance of the assembly while distributing forces below thecentroid 56 and effectively in shear or a downward direction. - Referring now to
FIG. 4 , ashower rod assembly 60 is illustrated with a length adjustable, or telescopic,shower rod 62 mounted to a pair of showerrod mounting assemblies 20. Theshower rod 62 includes aminor tube 64 that extends within amajor tube 66. Aninterface bushing 68 is provided at a distal end of themajor tube 66 to receiveminor tube 64; transition varying diameters of thetubes ornamental covers aperture 74, 76 formed therethrough sized to receive the correspondingtube covers rod mounting assemblies 20 and one of the shower rod ends, which are each provided at aproximal end tubes -
FIG. 5 illustrates an end fitting 82 attached to theproximal end 78 of theminor tube 64. The end fitting 82 is also illustrated inFIG. 6 ; and can also be employed at theproximal end 80 of themajor tube 66. The end fitting 82 has abody 84 that can be held within theminor tube 64 by adhesive, with mechanical lock tabs, by internal press fit or by an external compression fit mechanism. The end fitting 82 includes acircumferential groove 86 which is designed to limit movement of theshower rod 62 parallel to a tube axis. Ahead 87 extends from ashank 88 with a reduced diameter. Achamfer 90 helps to align the fitting 82 and consequently, theshower rod 62 into theprimary slot 44 in the mountingplate 30. -
FIGS. 7 and 8 illustrate the cooperation of theshower rod 62 and one of the showerrod mounting assemblies 20 in greater detail. As stated previously, temporary adhesives are effective when forces are applied primarily in the shear direction. Once theshower rod 62 is fully engaged into the mounting plate 30 a first point of contact is provided at thechamfer 90 and thesupport surface 54. This contact is at an angle θ within a range of twenty to ninety degrees relative to a horizontal axis or an axis of theshower rod 62. For the depicted embodiment, the angle θ is thirty degrees. A weight of theshower rod 62 and an associated curtain assembly is represented by a Force A, which has a tendency to draw theshower rod 62 toward the mounting surface noted as Force B. With further examination ofFIG. 8 it can be seen that the point ofcontact centroid 56 which places the loading of theentire assembly 20 in shear relative to thepad 22. - During assembly, the
beam 52 is slightly compressed to permit thehead 87 to enter theprimary slot 44. Once fully installed thebeam 52 returns over the end fitting 82 and prevents the end fitting from movement perpendicular to the center axis of theshower rod 62. Therefore, thebeam 52 retains theshower rod 62 assembled to the showerrod mounting assembly 20. - A substantially flexible shower
rod mounting assembly 20 exerts applied forces in shear while being flexible enough to peel thepad 22 away when movement is required. In the proposed design ninety percent of thecontact surface area 58 between the base 34 and thepad 22 is located below thecentroid 56 or center axis of theshower rod 62. Alternatively, more than fifty percent of thiscontact surface area 58 should be oriented below thecentroid 56 in order to maintain the loading on theadhesive layer 28 in shear. In order for the showerrod mounting system 20 to be flexible to facilitate manual peeling of thepad 22 and the adhesive layer, a surface area of thepad 22 is greater than thecontact surface area 58. For example, in the illustrated embodiment, thecontact surface area 58 is ten percent of the total area of thepad 22. Alternatively, thecontact surface area 58 is less than half of the total area of thepad 22. - The
end fittings 82 and the mountingplate 30 contain geometry to transfer loading to thepad 22 and the wall surface by the tapered or angled surfaces of thechamfer 90 and thesupport surface 54. Of course, other geometries can achieve this function, such as an orb mating with an angled surface as one example. - The proposed shower
rod mounting assembly 20 provides a solution for installation of a showercurtain rod assembly 60 within a bath or shower enclosure area without drilling holes in the support surface. This solution eliminates drilling into non-porous surfaces which may result in costly repairs if performed or positioned incorrectly. -
FIG. 9 illustrates a mountingplate 92 according to another embodiment. Similar to the prior embodiment, the mountingplate 92 includes areceptacle 94 upon abase 96, which provides a relatively flatbase contact area 98. A pair ofprojections 100 extends from thebase contact area 98 for locating of the mountingplate 92.FIG. 10 illustrates a showerrod mounting assembly 102 according to another embodiment. Aflexible pad 104 is provided, which is similar to thepad 22 of the prior embodiment. Thepad 104 includes a pair ofapertures 106 that are sized to receive theprojections 100 of the mountingplate 92 for locating the mountingplate 92 relative to thepad 104. Other suitable fixtures may be used for relative positioning. While various embodiments are described above, it is not intended that these embodiments describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention. Additionally, the features of various implementing embodiments may be combined to form further embodiments of the invention.
Claims (20)
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US14/048,553 US9554674B2 (en) | 2013-10-08 | 2013-10-08 | Shower rod mounting assembly |
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US14/048,553 US9554674B2 (en) | 2013-10-08 | 2013-10-08 | Shower rod mounting assembly |
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US20150096117A1 true US20150096117A1 (en) | 2015-04-09 |
US9554674B2 US9554674B2 (en) | 2017-01-31 |
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US14/048,553 Expired - Fee Related US9554674B2 (en) | 2013-10-08 | 2013-10-08 | Shower rod mounting assembly |
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